Overview
The MAX189ACWE+ is a 12-bit serial analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This component operates from a single +5V supply and accepts an analog input range of 0 to 5V. It features a successive-approximation ADC, a fast track/hold circuit, an on-chip clock, and a high-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE. The MAX189ACWE+ is designed for low power consumption and small package size, making it ideal for applications where space and power efficiency are critical.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 bits | |
| Number of Channels | 1 Channel | |
| Interface Type | 3-Wire, SPI | |
| Sampling Rate | 75 kS/s | |
| Supply Voltage | 4.75 to 5.25 | V |
| Supply Current (Operating) | 1.0 to 2.0 mA | |
| Supply Current (Power-down) | 2 to 10 μA | |
| Operating Temperature | 0 to +70 | °C |
| Package Type | 16-pin SOIC |
Key Features
- 12-bit resolution with ±½ LSB integral nonlinearity (MAX189A)
- Internal track/hold circuit with a 1.5 Fs acquisition time
- On-chip clock and high-speed 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE
- Single +5V operation with low power consumption (7.5 mW in operating mode and 10 μA in shutdown)
- Excellent AC characteristics, including -80 dB THD and 80 dB SFDR
- Small package size with 16-pin SOIC packaging
Applications
The MAX189ACWE+ is suitable for a variety of applications where low power consumption and small size are crucial. These include:
- Remote DSP and sensor applications
- Circuits where power consumption and space are critical
- Data acquisition systems requiring high resolution and low power
Q & A
- What is the resolution of the MAX189ACWE+ ADC?
The MAX189ACWE+ has a 12-bit resolution.
- What is the sampling rate of the MAX189ACWE+?
The sampling rate is 75 kS/s.
- What type of interface does the MAX189ACWE+ use?
The MAX189ACWE+ uses a 3-wire serial interface compatible with SPI, QSPI, and MICROWIRE.
- What is the operating voltage range of the MAX189ACWE+?
The operating voltage range is from 4.75V to 5.25V.
- How much power does the MAX189ACWE+ consume in operating mode?
The power consumption in operating mode is 7.5 mW.
- What is the power consumption in shutdown mode?
The power consumption in shutdown mode is 10 μA.
- What is the package type of the MAX189ACWE+?
The MAX189ACWE+ comes in a 16-pin SOIC package.
- What are the key AC characteristics of the MAX189ACWE+?
The key AC characteristics include -80 dB THD and 80 dB SFDR.
- What are some typical applications for the MAX189ACWE+?
Typical applications include remote DSP and sensor applications, and circuits where power consumption and space are critical.
- Does the MAX189ACWE+ require an external reference voltage?
